Trigger switch
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United States of America Patent
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-
Jan 3, 2012
Issued Date -
N/A
app pub date -
Dec 14, 2009
filing date -
Jan 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In a trigger switch having a normal and reverse switching lever configured to switch the direction of rotation of a motor, a case is formed with a speed control unit storage chamber for storing a speed control unit, a revolving shaft storage chamber for storing a revolving shaft of the switching lever and a contact strip member storage chamber with continuing from the revolving shaft storage chamber through a shielding member therebetween for storing contact strip member of the switching lever, the revolving shaft storage chamber is formed with a revolving shaft engaging hole configured to allow the revolving shaft to be inserted in an engaged state on an upper portion thereof on the side of the trigger lever, and a waterproof device for covering at least a gap between the switching lever and the revolving shaft engaging hole is provided to prevent entry of water therein.
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